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In this study, the effect of V/III ratio on the structural quality of Au-catalyzed InAs nanowires grown by molecular beam epitaxy is investigated. It is found that, by tuning the V/III ratio, the structural quality of InAs nanowires can be controlled, and defect-free wurtzite structured InAs nanowires have been achieved under low V/III ratio growth.
Single-crystal EuPO4 nanowires have been prepared by a facile hydrothermal technique and characterized by X-ray diffractometer (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM), UV-Vis diffuse reflectance spectrum (DRS), photoluminescence (PL) spectra and lifetime. The results indicate that the as-prepared sample has monoclinic structure of EuPO4 and is mainly composed...
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